why

why
interrogative adverb
  1. for what reason or purpose
    为什么
    why did he do it?.
    他为什么做这件事?。
    ■[withnegative]used to make or agree to a suggestion
    为什么(表示建议或同意建议)
    why don't I give you a lift?.
    我何不让你搭个便车?。
relative adverb
  1. (with reference to a reason) on account of which; for which
    为什么;所以
    the reason why flu jabs need repeating every year is that the virus changes.
    需要每年打流感预防针的原因是因为病毒会变异。
    ■the reason for which
    为什么
    each has faced similar hardships, and perhaps that is why they are friends.
    每个人都曾碰到相似的困难,这也许就是他们成为朋友的原因。
exclamation
  1. expressing surprise or indignation
    唷;哎呀;嗨(表示惊讶、愤怒等)
    Why, that's absurd!.
    唷,真是荒谬!。
  2. used to add emphasis to a response
    呃(表示强调)
    ‘You think so?’ ‘Why, yes.’.
    “你真的这么想的?”“呃,是的。” 。
(pl. whys)
  1. a reason or explanation
    原因;理由
    the whys and wherefores of these procedures need to be explained to students.
    要办这些手续的缘由都必须一一解释给学生听。
常用词组
why so?
  1. for what reason or purpose?
    为什么这样?
语源
  1. Old English hwī, hwȳ 'by what cause', instrumental case of hwæt 'what', of Germanic origin
英语宝典
考试词汇表